For those who still look for the fix, you can go to Wireless -> Professional. Then at the very bottom change the region to US. You should now have the 160MHz enable option for 5Ghz-2. From Channel BW Dropbox, just select 160MHz instead of Auto betwee...

ROG Strix 3080 OC. Exact same problem. Still hasn't been resolved. Disappointed!

MasterC@ROG wrote:The bug will be resolved by the next update, which is scheduled to be released in a few weeks.and it's not working in 2021.